code: def get_is_duplicate_fx(self):
      # Assume all augmenters share same is_duplicate function.
      for aug in self:
          if isinstance(aug, list):
              is_duplicate_fx = aug.get_is_duplicate_fx()
              if is_duplicate_fx is not None:
                  return is_duplicate_fx
          else:
              return aug.is_duplicate
  
      return None
  
file_path: nlpaug/nlpaug/flow/pipeline.py
imports: from nlpaug import Augmenter
  from nlpaug.augmenter.char import CharAugmenter
  from nlpaug.util import Method
label_desc: Use image node_id 3 for calling the Pipeline obj's underlying member method code with example usage: obj.get_is_duplicate_fx() and returns: None, aug, is_duplicate_fx